Individual skill
crestapps-core-context-builders
Skill for enriching CrestApps.Core 2.0 completion and orchestration contexts with handler pipelines. Covers IAICompletionContextBuilder and IAICompletionContextBuilderHandler producing AICompletionContext, IOrchestrationContextBuilder and IOrchestrationContextBuilderHandler producing OrchestrationContext, the BuildingAsync, configure delegate and BuiltAsync phases, reverse registration order, the built-in profile, chat interaction, persona, tool instance, data source and MCP handlers, chat and utility model parameters copied onto the context, SystemMessageBuilder, reading the chat from AIInvocationScope during a build, error isolation that logs and skips a failing handler, and one-off configuration through the caller delegate. Use it when injecting tenant, user or policy context into every AI request, adding orchestration behavior, or debugging a profile whose system message, tools or parameters vanish.
plugins/crestapps-core/skills/crestapps-core-context-builders/SKILL.md
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- Last checked
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- Oct 21, 2026
- License
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- agent-skills Repository topic
- ai Repository topic
- ai-agents-framework Repository topic
- dotnet Repository topic
- mcp Repository topic
- mcp-server Repository topic
- orchardcore Repository topic
- data Derived category
- testing Derived category
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# CrestApps.Core Context Builders
Two handler pipelines prepare every AI request:
| Level | Builder | Handler | Produces |
|---|---|---|---|
| Completion | `IAICompletionContextBuilder.BuildAsync(resource, configure, cancellationToken)` | `IAICompletionContextBuilderHandler` | `AICompletionContext` (deployments, system message, tools, agents, model parameters, data source) |
| Orchestration | `IOrchestrationContextBuilder.BuildAsync(resource, configure, cancellationToken)` | `IOrchestrationContextBuilderHandler` | `OrchestrationContext` (user message, history, documents, `SystemMessageBuilder`, completion context) |
## Guidelines
- Use a completion handler for anything every completion of a resource needs, including non-orchestrated calls and sub-agents. Use an orchestration handler for work that only belongs to orchestrated chat.
- Both builders run `BuildingAsync` on every handler, then the caller's `configure` delegate, then `BuiltAsync` on every handler.
- Handlers run in reverse registration order: the last registered runs first. Register an override after the handler whose values it replaces.